A white elephant : অত্যন্ত ব্যয়সাপেক্ষ বিলাসিতা;
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a white elephant  awhiteelephant  See Words Also In
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Appropriate Prepositions
Admit into(প্রবেশ করতে দেওয়া): Only the selected people were admitted into the theater.
Attacked by(আক্রান্ত ব্যক্তিবাচক): He has been attacked by a gang of robbers.
Averse to (বিমুখ): Rahim was averse of your various problems.
Bar to(বাধা): Poverty is not a bar to happiness.
Contribution to (অবদান): His invention made a major contribution to road safety.
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Idioms
At the top of (শীর্ষে): The boy shouted at the top of his voice.
Make head or tail – (মাথামুন্ডু বুঝা) – I cannot make head or tail of what you say.
Out of temper (ক্রুদ্ধ): The teacher is out temper to see the overall results.
Take to heart (মর্মাহত হওয়া)- He really took it to heart when I asked him to reconsider.
Turn a deaf ear to (pay no attention, প্রত্যাখান করা) —He turned a deaf ear to my proposal.